# chelation

> English word · Noun · IPA /kiːˈleɪʃən/ · frequency rank #77,523

## Definitions
1. The formation of a polydentate chelate compound from a metal salt.
2. The use of this process to remove metal ions from solution, especially to counter poisoning by heavy metals.

## Etymology
From chelate + -ion.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/chelation